Advertisements
Advertisements
प्रश्न
State for any acute angle θ whether sin θ increases or decreases as θ increases
पर्याय
Increases
Decreases
Advertisements
उत्तर
For acute angles, remember what sine means: opposite over hypotenuse. If we increase the angle, then the opposite side gets larger. That means "opposite/hypotenuse" gets larger or increases.
APPEARS IN
संबंधित प्रश्न
Find the magnitude of angle A, if 2 sin A cos A - cos A - 2 sin A + 1 = 0
Solve the following equations for A, if `sqrt3` tan A = 1
Solve for x : cos2 30° + cos2 x = 1
Solve for 'θ': `sec(θ/2 + 10°) = (2)/sqrt(3)`
Find the value of 'y' if `sqrt(3)` = 1.723.
Given your answer correct to 2 decimal places.
In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
a. AB is `sqrt(3)` times of BC.
B. BC is `sqrt(3)` times of BC.
Evaluate the following: `(sec32° cot26°)/(tan64° "cosec"58°)`
Evaluate the following: `(5sec68°)/("cosec"22°) + (3sin52° sec38°)/(cot51° cot39°)`
If sec2θ = cosec3θ, find the value of θ if it is known that both 2θ and 3θ are acute angles.
If A + B = 90°, prove that `(tan"A" tan"B" + tan"A" cot"B")/(sin"A" sec"B") - (sin^2"B")/(cos^2"A")` = tan2A
